./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_66_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fe03ee-8681-44f1-9a49-b7b6689c9207/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fe03ee-8681-44f1-9a49-b7b6689c9207/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fe03ee-8681-44f1-9a49-b7b6689c9207/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fe03ee-8681-44f1-9a49-b7b6689c9207/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fe03ee-8681-44f1-9a49-b7b6689c9207/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fe03ee-8681-44f1-9a49-b7b6689c9207/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b6e78b274adae6b60e7b2d127916c1e956fd51f0cd97ec7bcaf0becff5a9e7b0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:49:13,129 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:49:13,234 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fe03ee-8681-44f1-9a49-b7b6689c9207/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 23:49:13,241 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:49:13,245 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:49:13,284 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:49:13,285 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:49:13,285 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:49:13,287 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:49:13,289 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:49:13,289 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:49:13,290 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:49:13,290 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:49:13,291 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:49:13,291 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:49:13,291 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:49:13,294 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:49:13,295 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:49:13,295 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:49:13,296 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:49:13,296 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:49:13,297 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:49:13,297 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:49:13,297 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:49:13,298 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:49:13,302 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:49:13,302 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:49:13,302 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:49:13,303 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:49:13,303 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:49:13,303 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:49:13,303 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:49:13,304 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fe03ee-8681-44f1-9a49-b7b6689c9207/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fe03ee-8681-44f1-9a49-b7b6689c9207/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6e78b274adae6b60e7b2d127916c1e956fd51f0cd97ec7bcaf0becff5a9e7b0 [2024-11-08 23:49:13,664 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:49:13,701 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:49:13,704 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:49:13,707 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:49:13,708 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:49:13,709 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fe03ee-8681-44f1-9a49-b7b6689c9207/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_66_bad.i Unable to find full path for "g++" [2024-11-08 23:49:16,203 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:49:16,714 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:49:16,718 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fe03ee-8681-44f1-9a49-b7b6689c9207/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_66_bad.i [2024-11-08 23:49:16,756 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fe03ee-8681-44f1-9a49-b7b6689c9207/bin/ukojak-verify-ImItNfHLgk/data/75caf7abd/d12254b968e844f68f1301efc89554f1/FLAG13a22a814 [2024-11-08 23:49:16,810 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fe03ee-8681-44f1-9a49-b7b6689c9207/bin/ukojak-verify-ImItNfHLgk/data/75caf7abd/d12254b968e844f68f1301efc89554f1 [2024-11-08 23:49:16,813 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:49:16,817 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:49:16,820 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:49:16,821 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:49:16,830 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:49:16,831 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:49:16" (1/1) ... [2024-11-08 23:49:16,832 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b69178 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:16, skipping insertion in model container [2024-11-08 23:49:16,833 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:49:16" (1/1) ... [2024-11-08 23:49:16,930 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:49:18,428 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:49:18,442 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:49:18,609 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:49:18,869 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:49:18,870 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:18 WrapperNode [2024-11-08 23:49:18,870 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:49:18,871 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:49:18,871 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:49:18,872 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:49:18,884 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:18" (1/1) ... [2024-11-08 23:49:18,933 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:18" (1/1) ... [2024-11-08 23:49:18,971 INFO L138 Inliner]: procedures = 498, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 106 [2024-11-08 23:49:18,972 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:49:18,973 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:49:18,973 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:49:18,973 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:49:18,986 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:18" (1/1) ... [2024-11-08 23:49:18,987 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:18" (1/1) ... [2024-11-08 23:49:18,991 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:18" (1/1) ... [2024-11-08 23:49:18,991 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:18" (1/1) ... [2024-11-08 23:49:19,000 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:18" (1/1) ... [2024-11-08 23:49:19,003 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:18" (1/1) ... [2024-11-08 23:49:19,005 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:18" (1/1) ... [2024-11-08 23:49:19,007 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:18" (1/1) ... [2024-11-08 23:49:19,011 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:49:19,013 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:49:19,013 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:49:19,013 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:49:19,014 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:18" (1/1) ... [2024-11-08 23:49:19,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:49:19,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fe03ee-8681-44f1-9a49-b7b6689c9207/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:49:19,064 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fe03ee-8681-44f1-9a49-b7b6689c9207/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:49:19,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fe03ee-8681-44f1-9a49-b7b6689c9207/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:49:19,120 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:49:19,120 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:49:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:49:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 23:49:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:49:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:49:19,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:49:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 23:49:19,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 23:49:19,320 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:49:19,322 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:49:19,624 INFO L? ?]: Removed 63 outVars from TransFormulas that were not future-live. [2024-11-08 23:49:19,625 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:49:19,954 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:49:19,955 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:49:19,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:49:19 BoogieIcfgContainer [2024-11-08 23:49:19,955 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:49:19,956 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:49:19,957 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:49:19,972 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:49:19,972 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:49:19" (1/1) ... [2024-11-08 23:49:19,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:49:20,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:20,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 23:49:20,059 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 23:49:20,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:49:20,064 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:20,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:49:20,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:49:20,366 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:49:20,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:49:20,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:49:20,594 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:49:20,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:49:20,670 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:49:20,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:49:20 ImpRootNode [2024-11-08 23:49:20,714 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:49:20,715 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:49:20,718 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:49:20,718 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:49:20,719 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:49:19" (3/4) ... [2024-11-08 23:49:20,724 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:49:20,725 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:49:20,727 INFO L158 Benchmark]: Toolchain (without parser) took 3910.09ms. Allocated memory was 155.2MB in the beginning and 203.4MB in the end (delta: 48.2MB). Free memory was 118.0MB in the beginning and 85.2MB in the end (delta: 32.8MB). Peak memory consumption was 82.4MB. Max. memory is 16.1GB. [2024-11-08 23:49:20,728 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 155.2MB. Free memory is still 125.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:49:20,729 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2050.11ms. Allocated memory was 155.2MB in the beginning and 203.4MB in the end (delta: 48.2MB). Free memory was 118.0MB in the beginning and 168.0MB in the end (delta: -50.1MB). Peak memory consumption was 82.4MB. Max. memory is 16.1GB. [2024-11-08 23:49:20,730 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.04ms. Allocated memory is still 203.4MB. Free memory was 168.0MB in the beginning and 164.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:49:20,731 INFO L158 Benchmark]: Boogie Preprocessor took 38.78ms. Allocated memory is still 203.4MB. Free memory was 164.9MB in the beginning and 163.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:49:20,733 INFO L158 Benchmark]: RCFGBuilder took 942.96ms. Allocated memory is still 203.4MB. Free memory was 163.8MB in the beginning and 123.0MB in the end (delta: 40.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-11-08 23:49:20,735 INFO L158 Benchmark]: CodeCheck took 757.81ms. Allocated memory is still 203.4MB. Free memory was 123.0MB in the beginning and 86.3MB in the end (delta: 36.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-11-08 23:49:20,736 INFO L158 Benchmark]: Witness Printer took 10.55ms. Allocated memory is still 203.4MB. Free memory was 86.3MB in the beginning and 85.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:49:20,742 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1571]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1561, overapproximation of bitwiseOr at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1561] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1561] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE191_Integer_Underflow__int_rand_multiply_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] dataArray[2] = data [L1556] CALL CWE191_Integer_Underflow__int_rand_multiply_66b_badSink(dataArray) [L1568] EXPR dataArray[2] [L1568] int data = dataArray[2]; [L1569] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 155.2MB. Free memory is still 125.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2050.11ms. Allocated memory was 155.2MB in the beginning and 203.4MB in the end (delta: 48.2MB). Free memory was 118.0MB in the beginning and 168.0MB in the end (delta: -50.1MB). Peak memory consumption was 82.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.04ms. Allocated memory is still 203.4MB. Free memory was 168.0MB in the beginning and 164.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.78ms. Allocated memory is still 203.4MB. Free memory was 164.9MB in the beginning and 163.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 942.96ms. Allocated memory is still 203.4MB. Free memory was 163.8MB in the beginning and 123.0MB in the end (delta: 40.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * CodeCheck took 757.81ms. Allocated memory is still 203.4MB. Free memory was 123.0MB in the beginning and 86.3MB in the end (delta: 36.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 10.55ms. Allocated memory is still 203.4MB. Free memory was 86.3MB in the beginning and 85.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:49:20,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fe03ee-8681-44f1-9a49-b7b6689c9207/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fe03ee-8681-44f1-9a49-b7b6689c9207/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fe03ee-8681-44f1-9a49-b7b6689c9207/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fe03ee-8681-44f1-9a49-b7b6689c9207/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fe03ee-8681-44f1-9a49-b7b6689c9207/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fe03ee-8681-44f1-9a49-b7b6689c9207/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fe03ee-8681-44f1-9a49-b7b6689c9207/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b6e78b274adae6b60e7b2d127916c1e956fd51f0cd97ec7bcaf0becff5a9e7b0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:49:23,844 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:49:23,977 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fe03ee-8681-44f1-9a49-b7b6689c9207/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 23:49:24,031 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:49:24,032 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:49:24,034 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:49:24,035 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:49:24,035 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:49:24,037 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:49:24,038 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:49:24,039 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:49:24,039 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:49:24,039 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:49:24,040 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:49:24,040 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:49:24,041 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:49:24,041 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:49:24,045 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:49:24,045 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:49:24,046 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:49:24,046 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:49:24,047 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:49:24,048 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:49:24,048 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:49:24,048 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:49:24,049 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:24,049 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:49:24,049 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:49:24,050 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:49:24,050 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:49:24,051 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:49:24,051 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:49:24,052 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:49:24,052 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:24,052 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:49:24,052 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fe03ee-8681-44f1-9a49-b7b6689c9207/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fe03ee-8681-44f1-9a49-b7b6689c9207/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6e78b274adae6b60e7b2d127916c1e956fd51f0cd97ec7bcaf0becff5a9e7b0 [2024-11-08 23:49:24,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:49:24,615 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:49:24,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:49:24,622 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:49:24,623 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:49:24,625 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fe03ee-8681-44f1-9a49-b7b6689c9207/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_66_bad.i Unable to find full path for "g++" [2024-11-08 23:49:27,040 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:49:27,476 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:49:27,477 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fe03ee-8681-44f1-9a49-b7b6689c9207/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_66_bad.i [2024-11-08 23:49:27,514 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fe03ee-8681-44f1-9a49-b7b6689c9207/bin/ukojak-verify-ImItNfHLgk/data/b65ce1087/61d17cf8170e4906b3585847910e4411/FLAG9006161b7 [2024-11-08 23:49:27,535 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fe03ee-8681-44f1-9a49-b7b6689c9207/bin/ukojak-verify-ImItNfHLgk/data/b65ce1087/61d17cf8170e4906b3585847910e4411 [2024-11-08 23:49:27,539 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:49:27,541 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:49:27,544 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:49:27,545 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:49:27,551 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:49:27,552 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:49:27" (1/1) ... [2024-11-08 23:49:27,553 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68f32a4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:27, skipping insertion in model container [2024-11-08 23:49:27,553 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:49:27" (1/1) ... [2024-11-08 23:49:27,641 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:49:28,728 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:49:28,745 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:49:28,882 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:49:29,015 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:49:29,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:29 WrapperNode [2024-11-08 23:49:29,016 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:49:29,017 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:49:29,017 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:49:29,017 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:49:29,025 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:29" (1/1) ... [2024-11-08 23:49:29,063 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:29" (1/1) ... [2024-11-08 23:49:29,087 INFO L138 Inliner]: procedures = 503, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 66 [2024-11-08 23:49:29,088 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:49:29,088 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:49:29,089 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:49:29,089 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:49:29,098 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:29" (1/1) ... [2024-11-08 23:49:29,099 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:29" (1/1) ... [2024-11-08 23:49:29,102 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:29" (1/1) ... [2024-11-08 23:49:29,103 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:29" (1/1) ... [2024-11-08 23:49:29,112 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:29" (1/1) ... [2024-11-08 23:49:29,113 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:29" (1/1) ... [2024-11-08 23:49:29,116 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:29" (1/1) ... [2024-11-08 23:49:29,117 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:29" (1/1) ... [2024-11-08 23:49:29,121 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:49:29,122 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:49:29,122 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:49:29,122 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:49:29,123 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:29" (1/1) ... [2024-11-08 23:49:29,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:49:29,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fe03ee-8681-44f1-9a49-b7b6689c9207/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:49:29,177 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fe03ee-8681-44f1-9a49-b7b6689c9207/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:49:29,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fe03ee-8681-44f1-9a49-b7b6689c9207/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:49:29,213 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:49:29,213 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:49:29,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:49:29,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:49:29,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:49:29,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:49:29,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-08 23:49:29,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 23:49:29,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-08 23:49:29,455 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:49:29,459 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:49:29,661 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-11-08 23:49:29,663 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:49:29,768 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:49:29,771 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:49:29,771 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:49:29 BoogieIcfgContainer [2024-11-08 23:49:29,772 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:49:29,772 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:49:29,772 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:49:29,782 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:49:29,783 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:49:29" (1/1) ... [2024-11-08 23:49:29,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:49:29,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:29,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 23:49:29,858 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 23:49:29,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:49:29,862 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:29,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:29,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fe03ee-8681-44f1-9a49-b7b6689c9207/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:29,867 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fe03ee-8681-44f1-9a49-b7b6689c9207/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:29,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fe03ee-8681-44f1-9a49-b7b6689c9207/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:49:30,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:49:30,130 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:49:30,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:49:30,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:49:30,330 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:49:30,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:49:30,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fe03ee-8681-44f1-9a49-b7b6689c9207/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:49:30,404 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:49:30,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:49:30 ImpRootNode [2024-11-08 23:49:30,438 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:49:30,440 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:49:30,440 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:49:30,441 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:49:30,441 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:49:29" (3/4) ... [2024-11-08 23:49:30,444 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:49:30,445 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:49:30,446 INFO L158 Benchmark]: Toolchain (without parser) took 2905.16ms. Allocated memory was 83.9MB in the beginning and 109.1MB in the end (delta: 25.2MB). Free memory was 55.9MB in the beginning and 47.7MB in the end (delta: 8.2MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. [2024-11-08 23:49:30,447 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 83.9MB. Free memory is still 58.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:49:30,447 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1471.74ms. Allocated memory was 83.9MB in the beginning and 109.1MB in the end (delta: 25.2MB). Free memory was 55.9MB in the beginning and 60.9MB in the end (delta: -5.0MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2024-11-08 23:49:30,449 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.10ms. Allocated memory is still 109.1MB. Free memory was 60.9MB in the beginning and 57.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:49:30,449 INFO L158 Benchmark]: Boogie Preprocessor took 32.55ms. Allocated memory is still 109.1MB. Free memory was 57.8MB in the beginning and 55.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:49:30,450 INFO L158 Benchmark]: RCFGBuilder took 650.04ms. Allocated memory is still 109.1MB. Free memory was 55.8MB in the beginning and 65.1MB in the end (delta: -9.3MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2024-11-08 23:49:30,451 INFO L158 Benchmark]: CodeCheck took 666.23ms. Allocated memory is still 109.1MB. Free memory was 65.1MB in the beginning and 48.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 23:49:30,452 INFO L158 Benchmark]: Witness Printer took 5.13ms. Allocated memory is still 109.1MB. Free memory is still 47.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:49:30,458 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1571]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1561. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1561] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1561] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE191_Integer_Underflow__int_rand_multiply_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] dataArray[2] = data [L1556] CALL CWE191_Integer_Underflow__int_rand_multiply_66b_badSink(dataArray) [L1568] EXPR dataArray[2] [L1568] int data = dataArray[2]; [L1569] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 83.9MB. Free memory is still 58.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1471.74ms. Allocated memory was 83.9MB in the beginning and 109.1MB in the end (delta: 25.2MB). Free memory was 55.9MB in the beginning and 60.9MB in the end (delta: -5.0MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.10ms. Allocated memory is still 109.1MB. Free memory was 60.9MB in the beginning and 57.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.55ms. Allocated memory is still 109.1MB. Free memory was 57.8MB in the beginning and 55.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 650.04ms. Allocated memory is still 109.1MB. Free memory was 55.8MB in the beginning and 65.1MB in the end (delta: -9.3MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * CodeCheck took 666.23ms. Allocated memory is still 109.1MB. Free memory was 65.1MB in the beginning and 48.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.13ms. Allocated memory is still 109.1MB. Free memory is still 47.7MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:49:30,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fe03ee-8681-44f1-9a49-b7b6689c9207/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample